48 Hours: “The Fitbit Alibi”

Podcast by CBS News | Aired: March 11, 2026

Overview

This episode explores the brutal murder of Nicole Vander Heyden in Green Bay, Wisconsin, and the complex investigation that followed. Initially, suspicion fell on Nicole’s boyfriend, Doug Dietrich, but ultimately technology—namely, Fitbit and Google location data—helped both exonerate an innocent man and bring the true killer, George Burch, to justice. Through interviews, courtroom drama, and deep-dive reporting, “48 Hours” examines how digital footprints can shift the course of a criminal investigation.

Main Discussion Points & Timeline

1. Setting and Tragedy Strikes Green Bay

• [00:09 - 01:38]
  Green Bay is depicted as a tight-knit, safe community—making Nicole’s murder shocking. Nicole “Nikki” Vander Heyden, 31, is described as a vibrant woman and beloved mother of three. On May 20, 2016, after a night out with boyfriend Doug Dietrich, Nikki leaves a bar alone and vanishes.

  “Nikki walked off into the darkness that night. She just walked off. She vanished.” — Friend/Neighbor [01:32]

2. Discovery and Initial Investigation

• [01:40 - 08:05]
  Nikki’s body is found in a field, bruised and with head trauma. Police collect evidence: blood at the scene, in the garage, and on Doug’s Air Jordans. Doug quickly becomes the prime suspect.

  • Doug's alibi: claims he was asleep, as recorded by his Fitbit.

  “Everything’s pointing to Doug Dietrich.” — Investigator [02:35]

3. The Role of Technology: The Fitbit Alibi

• [09:04 - 12:17]
  As evidence is processed, none directly links Doug to the crime. The real turning point comes when his Fitbit data is analyzed and corroborates his timeline:

  • Doug’s device shows only a few steps during the relevant hours, supporting his story of sleeping and minimal movement.

  “His story that he told us was absolutely 100% true.” — Lead Detective Brian Slinger [12:14]

4. The Investigation Hits a Wall

• [13:13 - 15:48]
  With Doug cleared, the case goes cold. Investigators are left with unidentified male DNA from the crime scene and Nikki’s clothing.

  “We needed to figure out how Nicole got home... I really hope this isn’t a cold case.” — Sgt. Brian Slinger [15:48 - 16:05]

5. DNA Breakthrough and Focus on George Burch

• [16:13 - 18:10]
  In August 2016, DNA under a sock produces a match to George Stephen Burch, a recent transplant from Virginia to Green Bay.

  • Investigators unravel Burch's background and scrutinize his destroyed red Chevy Blazer.
  • Crucial evidence emerges from Burch’s own cell phone, packed with Google location data.

6. Digital Breadcrumbs: Google Dashboard Data

• [18:46 - 20:15]
  Google Dashboard reveals Burch’s movements:

  • At a local bar near where Nicole was last seen
  • Then directly at her home for almost an hour
  • Location pings at the field where the body was found and at the off-ramp where her belongings were scattered

  “It was very obvious that here's that guy.” — Investigator [19:51]

7. Arrest and Trial Build-up

• [20:19 - 22:21]
  Burch is arrested, charged, and the community (including Nikki’s family and friends) braces for a dramatic trial. Meanwhile, the defense prepares a controversial strategy: to blame Doug Dietrich for Nicole’s death.

8. The Trial: Prosecution vs. Defense

• [22:21 - 28:12]
  Doug testifies, painting himself as a loving, if imperfect, partner. The defense casts doubt on his character, revealing texts and prior accusations of controlling behavior, though the jury is not told the full extent.

  “Doug Dietrich’s not on trial. George Burch is on trial.” — Prosecutor [28:12]

9. George Burch Testifies: A Wild Tale

• [30:11 - 34:41]
  On the stand, Burch claims he met Nikki at a bar, had a consensual sexual encounter at her house, then was ambushed and forced at gunpoint by Doug to help dispose of her body.

  “At that point, did you know who that individual was?”
  “Never seen him before in my life.”
  “Do you know who that individual is now?”
  “Now I do. Who was it? It was Doug Beatri.” — George Burch cross-examined [32:28 - 32:43]

  This elaborate story is met with skepticism and pointed cross-examination.

10. Debunking the Defense

• [35:12 - 39:15]
  Prosecutors use physical evidence to discredit Burch: Nikki’s clothing shows signs of a struggle inconsistent with Burch’s consensual sex claim. The jury hears conflicting stories, but the forensic facts and digital evidence (Fitbit, Google data, DNA) favor the prosecution.

  “His story was a lie. He disrobed her at the scene and forgot her socks.” — Investigator [39:11]

11. Verdict and Aftermath

• [40:12 - 44:43]
  After only three hours of deliberation, the jury finds George Burch guilty of first degree intentional homicide. He is sentenced to life without parole.

  “We the jury, find the defendant, George Stephen Burch, guilty of first degree intentional homicide as charged in the information.” — Jury verdict read [41:09]
  “If we didn’t have these Google data locations on George’s phone, if we didn’t have the Fitbit, would it be Doug Dietrich sitting in prison as opposed to George Burch?” — Host [42:29]

  The family finds justice, but not closure.

Notable Quotes (With Timestamps & Speakers)

• “Nikki walked off into the darkness that night. ... She vanished.”
  — Friend/Neighbor [01:32]

• “Everything’s pointing to Doug Dietrich.”
  — Investigator [02:35]

• “His story that he told us was absolutely 100% true.”
  — Brian Slinger, Lead Detective [12:14]

• “It was very obvious that here’s that guy.”
  — Investigator on Burch’s phone data [19:51]

• “Doug Dietrich’s not on trial. George Burch is on trial.”
  — Prosecutor [28:12]

• “It was Doug Beatri.”
  — George Burch testifying [32:43]

• “His story was a lie. He disrobed her at the scene and forgot her socks.”
  — Investigator (rebutting Burch) [39:11]

• “If we didn’t have these Google data locations on George’s phone, if we didn’t have the Fitbit, would it be Doug Dietrich sitting in prison as opposed to George Burch?”
  — Host [42:29]

Memorable Moments

• [12:06 - 12:17]
  The turning point: Investigators realize Fitbit data exonerates Doug, clearing the prime suspect.

• [16:43 - 17:11]
  Crime lab calls with the DNA match to George Burch—an emotional breakthrough.

• [19:51 - 20:19]
  Visualization of Burch’s incriminating digital footprint as mapped out by Google Dashboard.

• [41:09 - 41:28]
  The verdict is announced—relief and emotional release in the courtroom after a tense trial.

Role of Technology in Justice

Key theme:
Throughout the episode, technology (Fitbit data, Google location tracking, DNA forensics) is emphasized as a double-edged sword—capable of freeing the innocent and sealing the fate of the guilty.

• “So what you found from this case is that this technology can do more than connect someone to a crime. It can actually exonerate a person.” — Host [42:10]

Family Reflections & Legacy

• The episode closes with poignant recollections of Nikki’s life, the enduring heartbreak for her family, and the bitter comfort of knowing her killer can do no more harm.

Takeaways

• Digital tools can be crucial in solving crimes—a Fitbit saved an innocent man from a wrongful conviction, while Google data narrowed in on the real killer.
• Despite initial appearances and circumstantial evidence, thorough and modern forensic investigations can ensure true justice.
• The emotional residue of violent crime lingers, even after conviction, but truth and technology brought a measure of closure for Nikki’s loved ones.

For full insights into the investigation’s twists, evidence details, and emotional impact, listen to the complete episode of “48 Hours: The Fitbit Alibi.”